Robust backpropagation training algorithm for multilayered neural tracking controller

  • Authors:
  • Qing Song;Jizhong Xiao;Yeng Chai Soh

  • Affiliations:
  • Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ.;-;-

  • Venue:
  • IEEE Transactions on Neural Networks
  • Year:
  • 1999

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Abstract

A robust backpropagation training algorithm with a dead zone scheme is used for the online tuning of the neural-network (NN) tracking control system. This assures the convergence of the multilayer NN in the presence of disturbance. It is proved in this paper that the selection of a smaller range of the dead zone leads to a smaller estimate error of the NN, and hence a smaller tracking error of the NN tracking controller. The proposed algorithm is applied to a three-layered network with adjustable weights and a complete convergence proof is provided. The results can also be extended to the network with more hidden layers